circuit breaker Circuit Breakers Circuit Breaker: With overload and short circuit protection functions, can be used to the circuit from overload and short circuit. Reliable to Use: If the electric shock or leakage current exceeds the specified value, the residual current circuit breaker can automatically cut off the power supply in a short time to person and avoid accidents caused by equipment leakage Sturdy Material: Using environmentally friendly Pa66 material, which is rustproof and has excellent durability for long term uses as well. Broader Utility: Suitable for home decoration, engineering, rural network renovation and other projects, and can meet all the basic needs.